I don't know about ArcMap, but those tools are available in the 'Legacy' toolset, however, they can be determined in the
where you can calculate a variety of output rasters which can be used in subsequent analysis
and it states
Prior to generating an optimal path, usually one of the following tools is used to create a distance accumulation raster and a back direction raster: Distance Accumulation or Distance Allocation. These are required inputs to generate an optimal path.
so you might want to check ArcMap help to see if these new methods of raster distance analysis was implemented in arcmap.
Thanks for the Reply!
According to this posting:
this capability of calculating euclidean distances around barriers was implemented in ArcMap 10.7.1 but the instructions are only given for ArcPro (need 2.4.1).
I looked through the documentation that you cited for Dist. Accum. and Dist. Allo. but cannot find "Prior to generating an optimal path..."
The original posting made this look like a 2 step process: Euclidean Dist and Cost Path as Polyline.
Is that not correct?
Are there more steps?
And, more importantly, if these a plain language description of Step 1, Step 2, etc.?
mark zimmermann I can only go by what the 2.6 Pro help says since I don't know if the whole new process is implemented in 10.7.1.
I appears on the surface, to be a 2 stage process ONLY if you need the accum and allo rasters for the polyline. There wouldn't be any point in producing those rasters if you just wanted to implement a simple eucl distance
Yes, it appears to be just a 2 step process in ArcMap 10.7.1, the same as in ArcPro.
Step 1 ArcPro:
Step 1 in ArcMap:
ArcMap is producing the "Output distance raster" and "Output direction raster" but not producing the "Output back direction raster" which is needed for Step 2: the Coast Path As Polyline step. Please see below.
How do I get the "Output back direction raster"? -Mark
Did you specify the outputs in arcmap? or just in Pro?
If you don't fill in the optional box, nothing is produced
I also see these really long output file names.
Thanks for following up.
I am working in ArcMap 10.7.1 as I do not have ArcPro.
I am specifying the same folder location for the Output back direction raster as for the other raster (output distance and output direction). I am aware of the raster naming convention and keeping the name short enough.
Nothing is going into a .gdb nor do any files originate from a .gdb
I just tried adding the .tif extension to that raster output and that also does not work.
If I run Euclidean Back Direction as a separate process, to perhaps isolate the problem, then I get an error 000816.
Here are the details on ERROR 000816:
Do these extra details provide any clues?
The workflow described in the 'Doing more...' blog is the same in arcmap as in pro. Specifically, you can use the euclidean toolset with Cost PAth As Polyline in arcmap, as described in the blog article.
The 'tool is not valid' message is not good. Please first try uninstalling and re-installing arcmap and making sure that it is licensed for spatial analyst.
Next make sure that you have full permissions to the directory you are trying to write to. Also, please try sending your output to a file geodatabase instead of a grid or tif and let me know what happens.
spatial analyst team